London Could Be Days Away From Yet Another Heatwave

The Huffington Post

London Could Be Days Away From Yet Another Heatwave

Days after a 35°C May record-breaker , the Met Office said more heatwaves are likely in the UK this summer. And it turns out they may be just days away from being proven right in London. As of the time of writing (9 June), temperatures between 24°C and 28°C are expected in the capital this weekend. Here’s what you need to know about: when that could happen, what it would take to count as an official heatwave, and why hot spells can be so insufferable in the city. When could there be a heatwave in London this June? The Met Office predicts our current miserable weather will take a sunnier turn on Friday, 12 June . At that point, temperatures will rise to 24°C. From then on, per the Met Office, Londoners can expect: Saturday 13 June: 27°C Sunday 14 June : 28°C Monday 15 June : 28°C. Even if the highest of those temperatures come to pass, however, an official heatwave may still not have taken place. When is it officially a heatwave in London? A heatwave is defined as three back-to-back days at or above an area’s maximum temperature threshold. Because some parts of the UK are usually hotter than others, that upper limit changes depending on location. As you head further North or West, that threshold is set a little lower than the warmer South-East – around 25°C and 26°C. But in London, the threshold is 28°C. That means that it’d need to reach at least 28°C on Tuesday after the predicted Sunday and Monday temperatures to officially count (or Saturday would have to be a degree hotter than currently anticipated). Why does London feel so hot on sunny days? As we mentioned before, London is already in the warmer South-East. Then, there’s the infrastructure to consider. Speaking to HuffPost UK previously , Richard Millard, senior sustainability consultant at Building Energy Experts , said that built-up areas can make already brutal UK heatwaves even more unbearable. “Our towns and cities have a large urban heat island effect due to the amount of concrete, asphalt and such that absorbs heat and releases it slowly, making cities and towns feel hotter,” he shared . 2026′s two consecutive record-breaking May temperatures were recorded in London’s Kew Gardens this year (34.8°C and 35.1°C, respectively). Related... Expert Advice For Staying Cool At Night In Hot Weather What Is 'Super El Nino' And How Could It Impact UK Fashionable Workout Gear That Can Handle Spring's Transitional Weather

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